[issue19521] Parallel build race condition on AIX since python-2.7

[Stefan Krah]

Stefan Krah <stefan at bytereef.org> added the comment:

The original patch is a bit dated, do we still need the export symbol generation?

https://www.ibm.com/support/knowledgecenter/en/SSGH3R_16.1.0/com.ibm.xlcpp161.aix.doc/proguide/compiling_shared_aix.html

"Use the -G option to create a shared library from the generated object files, and to enable runtime linking with applications that support it."

"If you do not specify a -bE option, all the global symbols are exported except for those symbols that have the hidden or internal visibility attribute."

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<https://bugs.python.org/issue19521>
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